.markedBox {
  position: relative;
}
.markedBox .markedHeader {
  width: 80%;
  height: 45px;
  line-height: 45px;
  border-bottom: 1.5px solid #eee;
  position: fixed;
  left: 10%;
  width: calc(80% - 7px);
  background: #fff;
  z-index: 100;
}
.markedBox .markedHeader > span {
  margin-left: 10px;
  padding-left: 5px;
  position: relative;
}
.markedBox .markedHeader > span::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0;
  width: 2px ;
  height: 21px;
  background: #4393ea;
}
.markedBox .markedHeader > span:nth-child(2) {
  margin: 0 6%;
}
.markedBox .margedItem {
  padding-top: 50px;
}
.markedBox .margedItem > h4 {
  padding-left: 5px;
}
.markedBox .margedItem > h4::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  width: 2px ;
  height: 21px;
  background: #4393ea;
}
.markedBox .margedItem img {
  max-width: 100%;
}
pre {
  display: block;
  background-color: #f3f3f3;
  padding: 0.5rem !important;
  overflow-y: auto;
  font-weight: 300;
  font-family: Menlo, monospace;
  border-radius: 0.3rem;
}
pre {
  background-color: #283646 !important;
}
pre > code {
  border: 0px !important;
  background-color: #283646 !important;
  color: #FFF;
}
code {
  display: inline-block;
  background-color: #f3f3f3;
  border: 1px solid #fdb9cc;
  border-radius: 3px;
  font-size: 12px;
  padding-left: 5px;
  padding-right: 5px;
  color: #4f4f4f;
  margin: 0px 3px;
}
